T2803 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'T2803' PDF : 28 Pages View PDF
T2803
6.5 CPCS Adjustment
Table 6-7.
With bits D1-D2
CPCS (Charge-Pump Current Settings)
D2
D1
0
0
0
1
1
0
1
1
CPCS
–1
0
1
2
Note: Used to adjust the charge pump current. This can be used to compensate the change of the tun-
ing sensitivity over frequency and device tolerances.
7. Data Word 2 Programs
7.1 DEMODDAC Adjustment
Table 7-1.
E10
0
0
0
...
1
1
1
With bits E6-E10
E9
E8
0
0
0
0
0
0
...
...
1
1
1
1
1
1
Demod DAC Voltage
E7
E6
0
0
0
1
1
0
...
...
0
1
1
0
1
1
fIFcenter %
–5
...
...
...
...
...
5
Note: Only in RX mode effective. Used to tune the demodulator center frequency and allows to compen-
sate tolerances of external components and the T2803.
19
4572I–DECT–07/05
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